import net.minecraft.util.WeightedRandomItem; //导入依赖的package包/类
public static WeightedRandomItem func_76269_a(Random p_76269_0_, WeightedRandomItem[] p_76269_1_, int p_76269_2_) {
   if(p_76269_2_ <= 0) {
      throw new IllegalArgumentException();
   } else {
      int var3 = p_76269_0_.nextInt(p_76269_2_);
      WeightedRandomItem[] var4 = p_76269_1_;
      int var5 = p_76269_1_.length;

      for(int var6 = 0; var6 < var5; ++var6) {
         WeightedRandomItem var7 = var4[var6];
         var3 -= var7.field_76292_a;
         if(var3 < 0) {
            return var7;
         }
      }

      return null;
   }
}
 

import net.minecraft.util.WeightedRandomItem; //导入依赖的package包/类
public static int func_76270_a(WeightedRandomItem[] p_76270_0_) {
   int var1 = 0;
   WeightedRandomItem[] var2 = p_76270_0_;
   int var3 = p_76270_0_.length;

   for(int var4 = 0; var4 < var3; ++var4) {
      WeightedRandomItem var5 = var2[var4];
      var1 += var5.field_76292_a;
   }

   return var1;
}
 

import net.minecraft.util.WeightedRandomItem; //导入依赖的package包/类
public static WeightedRandomItem func_76271_a(Random p_76271_0_, Collection p_76271_1_) {
   return func_76273_a(p_76271_0_, p_76271_1_, func_76272_a(p_76271_1_));
}
 

import net.minecraft.util.WeightedRandomItem; //导入依赖的package包/类
public static WeightedRandomItem func_76274_a(Random p_76274_0_, WeightedRandomItem[] p_76274_1_) {
   return func_76269_a(p_76274_0_, p_76274_1_, func_76270_a(p_76274_1_));
}